How did you think of that?
An introduction to the scientific method
[by] David H. Killeffer.

APA Citation

Killeffer, D. H. (David Herbert)., Manufactoring Chemists' Association. (1969). How did you think of that?: An introduction to the scientific method. [1st ed.] Garden City, N.Y.: Doubleday.

MLA Citation

Killeffer, David H. (David Herbert), 1895-, and Manufactoring Chemists' Association. How Did You Think of That?: An Introduction to the Scientific Method. [1st ed.] Garden City, N.Y.: Doubleday, 1969.

Warning: These citations may not always be complete (especially for serials).